What are bookmarks on twitter?

Related questions

1. What does a pineapple emoji mean?
2. Why is my twitter account locked?
3. Can you have a private twitter account?
4. Can you see who visits your Twitter page?
5. How big is a twitter profile picture?
6. Is twitter owned by?
7. What is the bird on the twitter logo?
8. Who sees your tweets if you have no followers?
9. Does twitter notify your followers when it's your birthday?
10. What is a like called on twitter?

Tags

1. #later
2. #bookmark
3. #mobile
4. #twitter
5. #allows
6. #message
7. #share
8. #offers
9. #direct
10. #called
11. #feature
12. #there
13. #every
14. #tweet
15. #tweets
16. #bookmarks
17. #available